Home / 10,772.20-14,863.62-6,790.60

Finding the Fourth Proportional to 10,772.20, 14,863.62 and 6,790.60

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Solution

The fourth proportional to 10,772.20, 14,863.62 and 6,790.60 is: 9,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.20 : 14,863.62 = 6,790.60 : x
  2. Step 2: Convert to fraction form
    10,772.20/14,863.62 = 6,790.60/x
  3. Step 3: Cross multiply
    10,772.20x = 14,863.62 × 6,790.60
  4. Step 4: Simplify right side
    10,772.20x = 100,932,897.97
  5. Step 5: Solve for x
    x = 100,932,897.97/10,772.20
  6. Step 6: Final answer
    x = 9,369.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.